#
#             Copyright 2018 by Kvaser AB, Molndal, Sweden
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#  ==============================================================================
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#  -----------------------------------------------------------------------------
#

# Kvaser Linux Canlib library Makefile

-include ../kveyes.mak
include version.mk

LIBRARY := $(LIBNAME).$(MAJOR).$(MINOR).$(BUILD)
SONAME  := $(LIBNAME).$(MAJOR)

CFLAGS  += -Wall -Werror -Wextra -DCANLIB_NAME_STRING=\"$(LIBRARY)\" -O2 -fomit-frame-pointer \
	$(XTRA_CFLAGS) -pthread
CFLAGS  += $(ccflags-y)
CFLAGS  += -I. -I../include

# GCC 4.6 and below does not allow initializing of struct with '{ 0 }'
GCC_VERSION_LTEQ_4_6 := $(shell expr $$(gcc -dumpfullversion -dumpversion \
                          | awk -F. '{print ($$2+100*$$1)}') \<= 406)
ifeq ($(GCC_VERSION_LTEQ_4_6),1)
CFLAGS += -Wno-missing-field-initializers
endif

# Flags for  reentrant, position independent code
LIBCFLAGS = $(CFLAGS) -D_REENTRANT -fPIC
LDFLAGS = -lc -pthread

SRCS := canlib.c
SRCS += canlib_channel_list.c
SRCS += linkedlist.c
SRCS += VCanFunctions.c
SRCS += VCanFuncUtil.c
SRCS += VCanMemoFunctions.c
SRCS += VCanScriptFunctions.c
SRCS += md5.c
SRCS += txe.c
SRCS += txe_fopen.c
SRCS += dlc.c
SRCS += tq_util.c

OBJS := $(patsubst %.c, %.o, $(SRCS))
OTHERDEPS := ../include/canlib.h
DEPS := $(patsubst %.c, %.d, $(SRCS))


ifeq ($(KV_DEBUG_ON),1)
  KV_XTRA_CFLAGS_DEBUG= -D_DEBUG=1 -DDEBUG=1 -O0 -g
  IS_DEBUG=Debug: $(KV_XTRA_CFLAGS_DEBUG)
  CFLAGS += $(KV_XTRA_CFLAGS_DEBUG)
else
  KV_XTRA_CFLAGS_DEBUG= -D_DEBUG=0 -DDEBUG=0
  CFLAGS += $(KV_XTRA_CFLAGS_DEBUG)
endif

CHECKLOG_FILE = checklog.txt


.PHONY:	all uninstall clean examples depend canlib check

all: $(LIBRARY) examples

canlib: $(LIBRARY)

$(LIBRARY):  $(DEPS) $(OTHERDEPS) $(OBJS)
	@echo --------------------------------------------------------------------
	@echo "Building $(LIBRARY) $(IS_DEBUG)"
	$(CC) $(CFLAGS) -shared -Wl,-soname,$(SONAME) -o $@ $(OBJS) $(LDFLAGS)
	ln -sf $(LIBRARY) $(LIBNAME)
	ln -sf $(LIBRARY) $(SONAME)
	@echo --------------------------------------------------------------------

examples: canlib
	$(MAKE) -C examples KV_DEBUG_ON=$(KV_DEBUG_ON) sub

%.o: %.c
	$(CC) $(CFLAGS) $(LIBCFLAGS)  -c -o $@ $<


%.d: %.c
	$(CC) $(CFLAGS) $(LIBCFLAGS) -MM $< > $@

install:
	$(MAKE) -C examples install
	rm -f /usr/lib/$(LIBNAME)
	rm -f /usr/lib/$(SONAME)
	install  -m 644 $(LIBRARY) /usr/lib/
	ln -sf $(LIBRARY) /usr/lib/$(LIBNAME)
	ln -sf $(LIBRARY) /usr/lib/$(SONAME)
	/sbin/ldconfig
	install -m 644 ../include/canlib.h /usr/include
	install -m 644 ../include/canstat.h /usr/include
	install -m 644 ../include/obsolete.h /usr/include
	mkdir -p /usr/doc/canlib
	cp -r ../doc/HTMLhelp /usr/doc/canlib

uninstall:
	$(MAKE) -C examples uninstall
	rm -f /usr/lib/$(LIBNAME) /usr/lib/$(SONAME) /usr/lib/$(LIBRARY)
	/sbin/ldconfig
	rm -f /usr/include/canlib.h /usr/include/canstat.h /usr/include/obsolete.h /usr/include/bus_params_tq.h
	rm -rf /usr/doc/canlib

clean:
	rm -f $(OBJS) $(LIBRARY) $(DEPS) $(LIBNAME) $(LIBRARY) $(SONAME) $(TARBALL) $(CHECKLOG_FILE) *~
	$(MAKE) -C examples clean

check:
	@echo --------------------------------------------------------------------
	cppcheck -I ../include/ -I ../../tmp  -I /usr/include -I /usr/include/linux --enable=all --suppress=toomanyconfigs . > $(CHECKLOG_FILE) 2>&1
	@cat $(CHECKLOG_FILE)
	@echo --------------------------------------------------------------------

depend: $(DEPS)

